Gas lighter



FIG. 1 is a side view of a gas lighter showing my new design;

FIG. 2 is another side view opposite to the view shown in FIG. 1;

FIG. 3 is a left side view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for the gas lighter, as shown and described. 